A toothed sprocket hub with elastic centering element comprising an input shaft (2) having a receiving portion (5) and a cylindrical outer surface (16), a sprocket (7) engagable with the input shaft, the sprocket comprising at least two first surfaces (12) each disposed on a bending beam (14) such that each first surface is elastically moveable in a radial direction, the two first surfaces bearing upon the outer surface, the two first surfaces each having a radius d that is less than a radius D of the outer surface, at least one second surface (13) that is radially moveable to a lesser extent than a first surface, the second surface engaging the receiving portion to prevent a relative rotation of the sprocket with the input shaft, and a third surface (17) in cooperative relation to the second surface, the third surface bearing upon the outer surface of the input shaft, the third surface having a clearance fit with the outer surface.
Toothed sprocket hub with elastic centering element
2018-09-27
Patent
Electronic Resource
English